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13162122126131 = 1122361491157907
BaseRepresentation
bin1011111110001000101110…
…0111010010001100110011
31201121021201220212212001112
42333202023213102030303
53211122011231014011
643554332340223535
72525634441054266
oct277421347221463
951537656785045
1013162122126131
11421502a893700
121586aa809abab
1374624b78bc74
1433709b704cdd
1517c59c5ac58b
hexbf88b9d2333

13162122126131 has 48 divisors (see below), whose sum is σ = 15375307417344. Its totient is φ = 11234696088000.

The previous prime is 13162122126073. The next prime is 13162122126149.

13162122126131 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 13162122126131 - 230 = 13161048384307 is a prime.

It is a super-2 number, since 2×131621221261312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13162122126161) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83274680 + ... + 83432586.

It is an arithmetic number, because the mean of its divisors is an integer number (320318904528).

Almost surely, 213162122126131 is an apocalyptic number.

13162122126131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13162122126131 is a deficient number, since it is larger than the sum of its proper divisors (2213185291213).

13162122126131 is a wasteful number, since it uses less digits than its factorization.

13162122126131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158504 (or 158493 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The spelling of 13162122126131 in words is "thirteen trillion, one hundred sixty-two billion, one hundred twenty-two million, one hundred twenty-six thousand, one hundred thirty-one".

Divisors: 1 11 23 61 121 253 491 671 1403 2783 5401 7381 11293 15433 29951 59411 124223 157907 169763 329461 688873 1366453 1736977 3624071 3631861 7577603 9632327 19106747 39950471 77532337 83353633 105955597 221543521 439455181 852855707 1165511567 1783243751 2436978731 4729472557 9381412777 19615681261 26806766041 52024198127 108777868811 215772493871 572266179397 1196556556921 13162122126131